Oil and Gas Assets (Details) - USD ($)	12 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
Balance at beginning	$ 6,935,000	$ 8,941,592
Additions	102,864	8,753,614
Disposals	(7,519,460)	0
Depreciation, depletion and amortization	(104,736)
Impairment of oil and gas assets	(6,870,613)	(1,246,975)
Oil and gas assets, net	778,226	6,935,000
OKLAHOMA
Balance at beginning	6,935,000	0
Additions	102,864	8,751,867
Disposals	(279,013)
Depreciation, depletion and amortization	(29,003)
Impairment of oil and gas assets	(5,951,622)	(1,246,975)
Oil and gas assets, net	778,226	6,935,000
KANSAS
Balance at beginning	7,803,020	7,922,601
Additions	0	1,747
Disposals	(7,727,287)
Depreciation, depletion and amortization	(75,733)
Impairment of oil and gas assets	0	0
Oil and gas assets, net	0	7,803,020
MISSOURI
Balance at beginning	918,991	918,991
Additions	0	0
Disposals	0
Depreciation, depletion and amortization	0
Impairment of oil and gas assets	(918,991)	0
Oil and gas assets, net	0	918,991
Other [Member]
Balance at beginning	100,000	100,000
Additions	0	0
Disposals	0
Depreciation, depletion and amortization	0
Impairment of oil and gas assets	0	0
Oil and gas assets, net	$ 100,000	$ 100,000